version 1.32, 2003/03/18 22:35:27
|
version 1.36.4.5, 2003/08/14 14:22:21
|
|
|
} | } |
| |
Boolean Thread::_signals_blocked = false; | Boolean Thread::_signals_blocked = false; |
|
// l10n |
|
|
|
|
|
// l10n |
|
PEGASUS_THREAD_KEY_TYPE Thread::_platform_thread_key; |
|
Boolean Thread::_key_initialized = false; |
|
Boolean Thread::_key_error = false; |
| |
// for non-native implementations | // for non-native implementations |
#ifndef PEGASUS_THREAD_CLEANUP_NATIVE | #ifndef PEGASUS_THREAD_CLEANUP_NATIVE |
|
|
| |
#endif | #endif |
| |
|
// l10n start |
|
Sint8 Thread::initializeKey() |
|
{ |
|
PEG_METHOD_ENTER(TRC_THREAD, "Thread::initializeKey"); |
|
if (!Thread::_key_initialized) |
|
{ |
|
if (Thread::_key_error) |
|
{ |
|
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
|
"Thread: ERROR - thread key error"); |
|
return -1; |
|
} |
|
|
|
if (pegasus_key_create(&Thread::_platform_thread_key) == 0) |
|
{ |
|
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
|
"Thread: able to create a thread key"); |
|
Thread::_key_initialized = true; |
|
} |
|
else |
|
{ |
|
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
|
"Thread: ERROR - unable to create a thread key"); |
|
Thread::_key_error = true; |
|
return -1; |
|
} |
|
} |
|
|
|
PEG_METHOD_EXIT(); |
|
return 0; |
|
} |
|
|
|
Thread * Thread::getCurrent() |
|
{ |
|
PEG_METHOD_ENTER(TRC_THREAD, "Thread::getCurrent"); |
|
if (Thread::initializeKey() != 0) |
|
{ |
|
return NULL; |
|
} |
|
PEG_METHOD_EXIT(); |
|
return (Thread *)pegasus_get_thread_specific(_platform_thread_key); |
|
} |
|
|
|
void Thread::setCurrent(Thread * thrd) |
|
{ |
|
PEG_METHOD_ENTER(TRC_THREAD, "Thread::setCurrent"); |
|
if (Thread::initializeKey() == 0) |
|
{ |
|
if (pegasus_set_thread_specific(Thread::_platform_thread_key, |
|
(void *) thrd) == 0) |
|
{ |
|
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
|
"Successful set Thread * into thread specific storage"); |
|
} |
|
else |
|
{ |
|
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, |
|
"ERROR: got error setting Thread * into thread specific storage"); |
|
} |
|
} |
|
PEG_METHOD_EXIT(); |
|
} |
|
|
|
AcceptLanguages * Thread::getLanguages() |
|
{ |
|
PEG_METHOD_ENTER(TRC_THREAD, "Thread::getLanguages"); |
|
|
|
Thread * curThrd = Thread::getCurrent(); |
|
if (curThrd == NULL) |
|
return NULL; |
|
AcceptLanguages * acceptLangs = |
|
(AcceptLanguages *)curThrd->reference_tsd("acceptLanguages"); |
|
curThrd->dereference_tsd(); |
|
PEG_METHOD_EXIT(); |
|
return acceptLangs; |
|
} |
|
|
|
void Thread::setLanguages(AcceptLanguages *langs) //l10n |
|
{ |
|
PEG_METHOD_ENTER(TRC_THREAD, "Thread::setLanguages"); |
|
|
|
Thread * currentThrd = Thread::getCurrent(); |
|
if (currentThrd != NULL) |
|
{ |
|
// deletes the old tsd and creates a new one |
|
currentThrd->put_tsd("acceptLanguages", |
|
thread_data::default_delete, |
|
sizeof(AcceptLanguages *), |
|
langs); |
|
} |
|
|
|
PEG_METHOD_EXIT(); |
|
} |
|
|
|
void Thread::clearLanguages() //l10n |
|
{ |
|
PEG_METHOD_ENTER(TRC_THREAD, "Thread::clearLanguages"); |
|
|
|
Thread * currentThrd = Thread::getCurrent(); |
|
if (currentThrd != NULL) |
|
{ |
|
// deletes the old tsd |
|
currentThrd->delete_tsd("acceptLanguages"); |
|
} |
|
|
|
PEG_METHOD_EXIT(); |
|
} |
|
// l10n end |
|
|
DQueue<ThreadPool> ThreadPool::_pools(true); | DQueue<ThreadPool> ThreadPool::_pools(true); |
| |
| |
|
|
_link_pool(_init_thread()); | _link_pool(_init_thread()); |
} | } |
_pools.insert_last(this); | _pools.insert_last(this); |
|
|
} | } |
| |
| |
| |
ThreadPool::~ThreadPool(void) | ThreadPool::~ThreadPool(void) |
{ | { |
|
try |
|
{ |
_pools.remove(this); | _pools.remove(this); |
_dying++; | _dying++; |
Thread *th = 0; | Thread *th = 0; |
|
|
delete th; | delete th; |
th = _dead.remove_first(); | th = _dead.remove_first(); |
} | } |
|
} |
|
catch(...) |
|
{ |
|
} |
} | } |
| |
// make this static to the class | // make this static to the class |
|
|
{ | { |
PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::_loop"); | PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::_loop"); |
| |
#if defined(PEGASUS_DEBUG) |
|
char trace_buf[24]; |
|
snprintf(trace_buf, 23, "%d", (Uint32)pegasus_thread_self()); |
|
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, "ThreadPool::_loop entered by %s", trace_buf); |
|
#endif |
|
|
|
|
|
Thread *myself = (Thread *)parm; | Thread *myself = (Thread *)parm; |
if(myself == 0) | if(myself == 0) |
{ | { |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
throw NullPointer(); | throw NullPointer(); |
} | } |
|
|
|
// l10n |
|
// Set myself into thread specific storage |
|
// This will allow code to get its own Thread |
|
Thread::setCurrent(myself); |
|
|
ThreadPool *pool = (ThreadPool *)myself->get_parm(); | ThreadPool *pool = (ThreadPool *)myself->get_parm(); |
if(pool == 0 ) | if(pool == 0 ) |
{ | { |
|
|
} | } |
catch(IPCException &) | catch(IPCException &) |
{ | { |
#if defined(PEGASUS_DEBUG) |
|
Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
|
"%s: IPCException Caught - EXITING", trace_buf); |
|
#endif |
|
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
myself->exit_self(0); | myself->exit_self(0); |
} | } |
catch(...) | catch(...) |
{ | { |
#if defined(PEGASUS_DEBUG) |
|
Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
|
"%s: Unknown Exception Caught - EXITING", trace_buf); |
|
#endif |
|
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
myself->exit_self(0); | myself->exit_self(0); |
} | } |
| |
if(sleep_sem == 0 || deadlock_timer == 0) | if(sleep_sem == 0 || deadlock_timer == 0) |
{ | { |
#if defined(PEGASUS_DEBUG) |
|
Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
|
"%s: NULL Semaphore - EXITING", trace_buf); |
|
#endif |
|
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
throw NullPointer(); | throw NullPointer(); |
} | } |
| |
while(pool->_dying < 1) | while(pool->_dying < 1) |
{ | { |
#if defined(PEGASUS_DEBUG) |
|
Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
|
"%s: ThreadPool::_loop - waiting on semaphore", trace_buf); |
|
#endif |
|
sleep_sem->wait(); | sleep_sem->wait(); |
#if defined(PEGASUS_DEBUG) |
|
Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
|
"%s: ThreadPool::_loop - awakened from semaphore", trace_buf); |
|
#endif |
|
// when we awaken we reside on the running queue, not the pool queue | // when we awaken we reside on the running queue, not the pool queue |
if(pool->_dying > 0) | if(pool->_dying > 0) |
break; | break; |
| |
|
|
PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *_work)(void *) = 0; | PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *_work)(void *) = 0; |
void *parm = 0; | void *parm = 0; |
| |
|
|
} | } |
catch(IPCException &) | catch(IPCException &) |
{ | { |
#if defined(PEGASUS_DEBUG) |
|
Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
|
"%s: IPCException Caught - EXITING", trace_buf); |
|
#endif |
|
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
myself->exit_self(0); | myself->exit_self(0); |
} | } |
| |
if(_work == 0) | if(_work == 0) |
{ | { |
#if defined(PEGASUS_DEBUG) |
|
Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
|
"%s: NULL work pointer - EXITING", trace_buf); |
|
#endif |
|
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
throw NullPointer(); | throw NullPointer(); |
} | } |
|
|
if(_work == | if(_work == |
(PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *)(void *)) &_undertaker) | (PEGASUS_THREAD_RETURN (PEGASUS_THREAD_CDECL *)(void *)) &_undertaker) |
{ | { |
#if defined(PEGASUS_DEBUG) |
|
Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
|
"%s: Calling the Undertaker", trace_buf); |
|
#endif |
|
_work(parm); | _work(parm); |
} | } |
| |
gettimeofday(deadlock_timer, NULL); | gettimeofday(deadlock_timer, NULL); |
try | try |
{ | { |
#if defined(PEGASUS_DEBUG) |
|
Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
|
"%s: ThreadPool::_loop - calling work routine", trace_buf); |
|
#endif |
|
_work(parm); | _work(parm); |
#if defined(PEGASUS_DEBUG) |
|
Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
|
"%s: ThreadPool::_loop - returned from work routine", trace_buf); |
|
#endif |
|
} | } |
catch(...) | catch(...) |
{ | { |
#if defined(PEGASUS_DEBUG) |
|
Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
|
"%s: Unknown Exception Caught - EXITING"); |
|
#endif |
|
gettimeofday(deadlock_timer, NULL); | gettimeofday(deadlock_timer, NULL); |
} | } |
|
|
gettimeofday(deadlock_timer, NULL); | gettimeofday(deadlock_timer, NULL); |
if( blocking_sem != 0 ) | if( blocking_sem != 0 ) |
blocking_sem->signal(); | blocking_sem->signal(); |
|
|
} | } |
catch(IPCException &) | catch(IPCException &) |
{ | { |
#if defined(PEGASUS_DEBUG) |
|
Tracer::trace(__FILE__, __LINE__, TRC_THREAD, Tracer::LEVEL4, |
|
"%s: IPCException Caught - EXITING", trace_buf); |
|
#endif |
|
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
myself->exit_self(0); | myself->exit_self(0); |
} | } |
|
|
// first go thread the dead q and clean it up as much as possible | // first go thread the dead q and clean it up as much as possible |
while(_dead.count() > 0) | while(_dead.count() > 0) |
{ | { |
|
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, "ThreadPool:: removing and joining dead thread"); |
#if !defined(PEGASUS_PLATFORM_HPUX_ACC) && !defined(PEGASUS_PLATFORM_LINUX_IA64_GNU) |
|
PEGASUS_STD(cout) << "ThreadPool:: removing and joining dead thread" << PEGASUS_STD(endl); |
|
#endif |
|
Thread *dead = _dead.remove_first(); | Thread *dead = _dead.remove_first(); |
if(dead == 0) | if(dead == 0) |
throw NullPointer(); | throw NullPointer(); |
|
|
else | else |
{ | { |
// deadlocked threads | // deadlocked threads |
#if !defined(PEGASUS_PLATFORM_HPUX_ACC) && !defined(PEGASUS_PLATFORM_LINUX_IA64_GNU) |
Tracer::trace(TRC_THREAD, Tracer::LEVEL4, "Killing a deadlocked thread"); |
PEGASUS_STD(cout) << "Killing a deadlocked thread" << PEGASUS_STD(endl); |
|
#endif |
|
th->cancel(); | th->cancel(); |
delete th; | delete th; |
} | } |
|
|
| |
struct timeval now, finish, remaining; | struct timeval now, finish, remaining; |
Uint32 usec; | Uint32 usec; |
gettimeofday(&now, NULL); |
pegasus_gettimeofday(&now); |
|
/* remove valgrind error */ |
|
pegasus_gettimeofday(&remaining); |
|
|
| |
finish.tv_sec = start->tv_sec + interval->tv_sec; | finish.tv_sec = start->tv_sec + interval->tv_sec; |
usec = start->tv_usec + interval->tv_usec; | usec = start->tv_usec + interval->tv_usec; |
|
|
| |
Thread *ThreadPool::_init_thread(void) throw(IPCException) | Thread *ThreadPool::_init_thread(void) throw(IPCException) |
{ | { |
PEG_METHOD_ENTER(TRC_THREAD, "ThreadPool::_init_thread"); |
|
Thread *th = (Thread *) new Thread(_loop, this, false); | Thread *th = (Thread *) new Thread(_loop, this, false); |
// allocate a sleep semaphore and pass it in the thread context | // allocate a sleep semaphore and pass it in the thread context |
// initial count is zero, loop function will sleep until | // initial count is zero, loop function will sleep until |
|
|
th->put_tsd("sleep sem", &_sleep_sem_del, sizeof(Semaphore), (void *)sleep_sem); | th->put_tsd("sleep sem", &_sleep_sem_del, sizeof(Semaphore), (void *)sleep_sem); |
| |
struct timeval *dldt = (struct timeval *) ::operator new(sizeof(struct timeval)); | struct timeval *dldt = (struct timeval *) ::operator new(sizeof(struct timeval)); |
|
pegasus_gettimeofday(dldt); |
|
|
th->put_tsd("deadlock timer", thread_data::default_delete, sizeof(struct timeval), (void *)dldt); | th->put_tsd("deadlock timer", thread_data::default_delete, sizeof(struct timeval), (void *)dldt); |
// thread will enter _loop(void *) and sleep on sleep_sem until we signal it | // thread will enter _loop(void *) and sleep on sleep_sem until we signal it |
|
|
th->run(); | th->run(); |
_current_threads++; | _current_threads++; |
pegasus_yield(); | pegasus_yield(); |
PEG_METHOD_EXIT(); |
|
| |
return th; | return th; |
} | } |
|
|
} | } |
| |
| |
|
|
PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |
| |